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198 lines
7.4 KiB
C
198 lines
7.4 KiB
C
/* BFD XCOFF object file private structure.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Written by Tom Rix, Redhat.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef LIBXCOFF_H
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#define LIBXCOFF_H
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/* This is the backend information kept for XCOFF files. This
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structure is constant for a particular backend. The first element
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is the COFF backend data structure, so that XCOFF targets can use
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the generic COFF code. */
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struct xcoff_backend_data_rec
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{
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/* COFF backend information. */
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bfd_coff_backend_data coff;
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/* Magic number */
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unsigned short _xcoff_magic_number;
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/* Architecture and machine for coff_set_arch_mach_hook */
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enum bfd_architecture _xcoff_architecture;
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long _xcoff_machine;
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/* function pointers to xcoff specific swap routines */
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void (* _xcoff_swap_ldhdr_in)(bfd *, const PTR, struct internal_ldhdr *);
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void (* _xcoff_swap_ldhdr_out)(bfd *, const struct internal_ldhdr *, PTR);
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void (* _xcoff_swap_ldsym_in)(bfd *, const PTR, struct internal_ldsym *);
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void (* _xcoff_swap_ldsym_out)(bfd *, const struct internal_ldsym *, PTR);
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void (* _xcoff_swap_ldrel_in)(bfd *, const PTR, struct internal_ldrel *);
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void (* _xcoff_swap_ldrel_out)(bfd *, const struct internal_ldrel *, PTR);
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/* size of the external struct */
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unsigned int _xcoff_ldhdrsz;
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unsigned int _xcoff_ldsymsz;
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unsigned int _xcoff_ldrelsz;
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/* size an entry in a descriptor section */
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unsigned int _xcoff_function_descriptor_size;
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/* size of the small aout file header */
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unsigned int _xcoff_small_aout_header_size;
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/* Loader version
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1 : XCOFF32
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2 : XCOFF64 */
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unsigned long _xcoff_ldhdr_version;
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boolean (* _xcoff_put_symbol_name)(bfd *, struct bfd_strtab_hash *,
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struct internal_syment *,
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const char *);
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boolean (* _xcoff_put_ldsymbol_name)(bfd *, struct xcoff_loader_info *,
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struct internal_ldsym *,
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const char *);
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reloc_howto_type *_xcoff_dynamic_reloc;
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asection * (* _xcoff_create_csect_from_smclas) (bfd *, union internal_auxent *, const char *);
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/* Line number and relocation overflow.
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XCOFF32 overflows to another section when the line number or the
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relocation count exceeds 0xffff. XCOFF64 does not overflow. */
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boolean (*_xcoff_is_lineno_count_overflow)(bfd *, bfd_vma);
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boolean (*_xcoff_is_reloc_count_overflow)(bfd *, bfd_vma);
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/* Loader section symbol and relocation table offset
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XCOFF32 is after the .loader header
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XCOFF64 is offset in .loader header */
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bfd_vma (*_xcoff_loader_symbol_offset)(bfd *, struct internal_ldhdr *);
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bfd_vma (*_xcoff_loader_reloc_offset)(bfd *, struct internal_ldhdr *);
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/* Global linkage. The first word of global linkage code must be be
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modified by filling in the correct TOC offset. */
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unsigned long *_xcoff_glink_code;
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/* Size of the global link code in bytes of the xcoff_glink_code table. */
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unsigned long _xcoff_glink_size;
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/* rtinit */
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unsigned int _xcoff_rtinit_size;
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boolean (*_xcoff_generate_rtinit)(bfd *, const char *, const char *);
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};
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/* Look up an entry in an XCOFF link hash table. */
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#define xcoff_link_hash_lookup(table, string, create, copy, follow) \
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((struct xcoff_link_hash_entry *) \
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bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\
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(follow)))
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/* Traverse an XCOFF link hash table. */
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#define xcoff_link_hash_traverse(table, func, info) \
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(bfd_link_hash_traverse \
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(&(table)->root, \
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(boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
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(info)))
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/* Get the XCOFF link hash table from the info structure. This is
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just a cast. */
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#define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash))
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#define xcoff_backend(abfd) \
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((struct xcoff_backend_data_rec *) (abfd)->xvec->backend_data)
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#define bfd_xcoff_magic_number(a) ((xcoff_backend(a)->_xcoff_magic_number))
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#define bfd_xcoff_architecture(a) ((xcoff_backend(a)->_xcoff_architecture))
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#define bfd_xcoff_machine(a) ((xcoff_backend(a)->_xcoff_machine))
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#define bfd_xcoff_swap_ldhdr_in(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldhdr_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldhdr_out(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldhdr_out) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldsym_in(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldsym_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldsym_out(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldsym_out) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldrel_in(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldrel_in) ((a), (b), (c)))
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#define bfd_xcoff_swap_ldrel_out(a, b, c) \
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((xcoff_backend(a)->_xcoff_swap_ldrel_out) ((a), (b), (c)))
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#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend(a)->_xcoff_ldhdrsz))
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#define bfd_xcoff_ldsymsz(a) ((xcoff_backend(a)->_xcoff_ldsymsz))
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#define bfd_xcoff_ldrelsz(a) ((xcoff_backend(a)->_xcoff_ldrelsz))
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#define bfd_xcoff_function_descriptor_size(a) \
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((xcoff_backend(a)->_xcoff_function_descriptor_size))
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#define bfd_xcoff_small_aout_header_size(a) \
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((xcoff_backend(a)->_xcoff_small_aout_header_size))
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#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend(a)->_xcoff_ldhdr_version))
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#define bfd_xcoff_put_symbol_name(a, b, c, d) \
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((xcoff_backend(a)->_xcoff_put_symbol_name) ((a), (b), (c), (d)))
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#define bfd_xcoff_put_ldsymbol_name(a, b, c, d) \
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((xcoff_backend(a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d)))
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/* Get the XCOFF hash table entries for a BFD. */
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#define obj_xcoff_sym_hashes(bfd) \
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((struct xcoff_link_hash_entry **) obj_coff_sym_hashes (bfd))
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#define bfd_xcoff_dynamic_reloc_howto(a) \
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((xcoff_backend(a)->_xcoff_dynamic_reloc))
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#define bfd_xcoff_create_csect_from_smclas(a, b, c) \
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((xcoff_backend(a)->_xcoff_create_csect_from_smclas((a), (b), (c))))
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#define bfd_xcoff_is_lineno_count_overflow(a, b) \
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((xcoff_backend(a)->_xcoff_is_lineno_count_overflow((a), (b))))
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#define bfd_xcoff_is_reloc_count_overflow(a, b) \
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((xcoff_backend(a)->_xcoff_is_reloc_count_overflow((a), (b))))
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#define bfd_xcoff_loader_symbol_offset(a, b) \
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((xcoff_backend(a)->_xcoff_loader_symbol_offset((a), (b))))
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#define bfd_xcoff_loader_reloc_offset(a, b) \
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((xcoff_backend(a)->_xcoff_loader_reloc_offset((a), (b))))
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#define bfd_xcoff_glink_code(a, b) ((xcoff_backend(a)->_xcoff_glink_code[(b)]))
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#define bfd_xcoff_glink_code_size(a) ((xcoff_backend(a)->_xcoff_glink_size))
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/* Check for the magic number U803XTOCMAGIC for 64 bit targets. */
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#define bfd_xcoff_is_xcoff64(a) (0x01EF == (bfd_xcoff_magic_number(a)))
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/* Check for the magic number U802TOMAGIC for 32 bit targets. */
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#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number(a)))
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#define bfd_xcoff_rtinit_size(a) ((xcoff_backend(a)->_xcoff_rtinit_size))
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#define bfd_xcoff_generate_rtinit(a, b, c) ((xcoff_backend(a)->_xcoff_generate_rtinit ((a), (b), (c))))
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#endif /* LIBXCOFF_H */
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